Remove unused dependencies (#5812)

* Remove unused dependencies from lighthouse_network

* Remove unused dependencies from gossipsub

* Remove unused dependencies from network

* Remove unused dependencies from consensus/types

* Remove unused dependencies from account_manager

* Remove unused dependencies from boot_node

* Remove unused dependencies from database_manager

* Remove unused dependencies from validator_manager

* Remove unused dependencies from testing/ef_tests

* Remove unused dependencies from testing/simulator

* Remove unused dependencies from testing/execution_engine_integration

* Remove unused dependencies from common/system_health

* Remove unused dependencies from common/eth2

* Remove unused dependencies from common/lighthouse_metrics

* Remove unused dependencies from common/eth2_network_config

* Remove unused dependencies from common/logging

* Remove unused dependencies from watch

* Remove unused dependencies from slasher

* Remove unused dependencies from lighthouse

* Remove unused dependencies from lcli

* Remove unused dependencies from beacon_node

* Remove unused dependencies from beacon_node/builder_client

* Remove unused dependencies from beacon_node/beacon_processor

* Remove unused dependencies from beacon_node/execution_layer

* Remove unused dependencies from beacon_node/eth1

* Remove unused dependencies from beacon_node/client

* Remove unused dependencies from beacon_node/store

* Fix missing deps which is used only for testing

account_manager/Cargo.toml

@@ -27,9 +27,6 @@ safe_arith = { workspace = true }
 slot_clock = { workspace = true }
 filesystem = { workspace = true }
 sensitive_url = { workspace = true }
-serde = { workspace = true }
-serde_json = { workspace = true }
-slog = { workspace = true }
 
 [dev-dependencies]
 tempfile = { workspace = true }